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Technical Briefs

On Moore’s Law and Its Application to Spark Ignition Engine Technology

[+] Author and Article Information
Marc LaViolette

Department of Mechanical Engineering, Royal Military College of Canada, Kingston, ON, K7K 7B4, Canadalaviolette-m@rmc.ca

J. Eng. Gas Turbines Power 131(2), 024501 (Dec 18, 2008) (2 pages) doi:10.1115/1.2978996 History: Received December 05, 2006; Revised May 09, 2008; Published December 18, 2008

Moore’s law relates how the integration of semiconductors has progressed in time. This research shows that the exponential trend shown in the electronics manufacturing industry can have applications elsewhere. This study shows that the internal combustion engine followed the same trend for over 70 years. Though not the most used engine variable, engine power density shows the same trends for engines as transistor density does for microchips. This now mature technology has ended its period of rapid growth. However, the present day engine trends can show how Moore’s law can be extended to include the slower growth of long established technologies. Because exponential growth cannot go on forever, the extension Moore’s law requires that the logistic function be used. The new function also allows one to predict a theoretical value for maximum power density.

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Copyright © 2009 by American Society of Mechanical Engineers
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Grahic Jump Location
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Evolution of the power density of SI engines

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